Data update

Task/One-dimensional-cellular-automata/C/one-dimensional-cellular-automata-3.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+
+#define SIZE 21
+
+void print_gen(int gen[], int size) {
+    for (int i = 0; i < size; i++) {
+        printf("%c", gen[i] ? '#' : '_');
+    }
+    printf("\n");
+}
+
+void evolve(int gen[], int size) {
+    int next_gen[size + 2];
+    next_gen[0] = next_gen[size + 1] = 0;
+
+    for (int i = 0; i < size; i++) {
+        next_gen[i + 1] = gen[i];
+    }
+
+    for (int i = 0; i < size; i++) {
+        gen[i] = (next_gen[i] + next_gen[i + 1] + next_gen[i + 2]) == 2;
+    }
+}
+
+int main() {
+    char initial[] = "_###_##_#_#_#_#__#__";
+    int gen[SIZE];
+
+    for (int i = 0; i < SIZE; i++) {
+        gen[i] = initial[i] == '#';
+    }
+
+    for (int n = 0; n < 10; n++) {
+        print_gen(gen, SIZE);
+        evolve(gen, SIZE);
+    }
+
+    return 0;
+}